At a Glance
- Tasks: Lead the development of cost packages for major civil engineering works at Sizewell C.
- Company: Join the Civil Works Alliance, a collaborative team shaping the future of energy.
- Benefits: Competitive salary, generous leave, pension scheme, and flexible benefits.
- Other info: Diverse and inclusive workplace that values creativity and innovation.
- Why this job: Make a real impact on a significant infrastructure project generating low-carbon electricity.
- Qualifications: Experience in project delivery, strong commercial skills, and background in civil engineering.
The predicted salary is between 75000 - 85000 £ per year.
As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2‑gigawatt power station generating low‑carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Main Civil Works Section.
What will you do?
- Lead the development and agreement of Target Outturn Cost (TOC) packages for complex, high‑value construction scopes.
- Integrate cost, programme, risk and delivery strategy ahead of construction.
- Ensure that all aspects of pre‑construction are aligned, robust and ready for execution.
- Define scope, delivery strategies and cost models to ensure successful package outcomes.
- Manage TOC governance processes and drive packages through key approval stages.
- Act as the single point of accountability for assigned TOC packages.
- Coordinate technical, commercial, planning, procurement and risk inputs into cohesive delivery strategies.
- Ensure alignment between engineering design, procurement, commercial and delivery teams.
- Develop and manage programme plans, cost forecasts and risk profiles.
- Monitor progress against key milestones and intervene where necessary to maintain delivery.
- Identify, manage and mitigate risks and opportunities throughout the pre‑construction phase.
- Prepare and present high‑quality submissions for governance, review and approval.
- Manage interfaces between packages to ensure seamless integration into the wider programme.
- Ensure TOC packages are fully prepared for handover into delivery teams.
- Champion lessons learned and best practice from previous major infrastructure projects.
What are we looking for?
- Proven experience delivering projects across their lifecycle in complex, highly regulated environments.
- Strong commercial and numerical capability with the ability to integrate technical and programme inputs.
- Experience in pre‑construction, tendering or early contractor involvement phases on major projects.
- Ability to manage multiple stakeholders and influence across multidisciplinary teams.
- Strong understanding of cost, risk, planning and procurement processes.
- Experience managing subcontractors, consultants and suppliers within large‑scale construction environments.
- Working knowledge of NEC contracts and commercial frameworks.
- Excellent communication, facilitation and presentation skills.
- A confident decision‑maker who can operate effectively under pressure and tight deadlines.
- Demonstrated ability to simplify complex challenges and drive practical solutions.
- Background in civil engineering or infrastructure projects, ideally within nuclear or similarly regulated sectors.
What we will offer you?
The CWA is a single delivery organisation made up of the client (Sizewell C) and three parent companies – Balfour Beatty, Bouygues and Laing O'Rourke – which offer industry‑leading packages including market‑leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.
About Us
The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity. By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.
TOC Manager in Suffolk employer: Sizewell C Limited
At Sizewell C, we pride ourselves on being an exceptional employer, offering a dynamic work environment that fosters collaboration and innovation. With competitive salaries, generous benefits including a defined contribution pension scheme and flexible working arrangements, we are committed to supporting your professional growth while making a significant impact on the UK's energy infrastructure. Join us in Leiston or Ipswich and be part of a team that values diversity, encourages new ideas, and is dedicated to delivering excellence in every aspect of our ambitious project.
